1. lightweight yet rugged metal water bottle.2.crafted of premium stainless steel.3.These reusable bottles are great for hiking, biking, gym, travel, school, work, and just about anywhere you might get thirsty4.Its slim, sleek body fits in standard cup holders, making the hiking bottles convenient for taking on the go. 5.This set would make a great Christmas, holiday, or special occasion gift for an active person in your life. Please note: bottles are not dishwasher safe.